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6742687492 = 2217472109727
BaseRepresentation
bin1100100011110010…
…10011111100000100
3122101220120000101101
412101321103330010
5102302111444432
63033023105444
7326042620012
oct62171237404
918356500341
106742687492
112950086a02
121382142284
13835c03018
1447d6d98b2
15296e3d4e7
hex191e53f04

6742687492 has 24 divisors (see below), whose sum is σ = 12759634944. Its totient is φ = 3105516672.

The previous prime is 6742687487. The next prime is 6742687493. The reversal of 6742687492 is 2947862476.

It is a super-2 number, since 2×67426874922 = 90927669229546500128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6742687493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051668 + ... + 1058059.

It is an arithmetic number, because the mean of its divisors is an integer number (531651456).

Almost surely, 26742687492 is an apocalyptic number.

It is an amenable number.

6742687492 is a deficient number, since it is larger than the sum of its proper divisors (6016947452).

6742687492 is a wasteful number, since it uses less digits than its factorization.

6742687492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109795 (or 2109793 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 55.

The square root of 6742687492 is about 82113.8690599828. The cubic root of 6742687492 is about 1889.1988702685.

The spelling of 6742687492 in words is "six billion, seven hundred forty-two million, six hundred eighty-seven thousand, four hundred ninety-two".

Divisors: 1 2 4 17 34 47 68 94 188 799 1598 3196 2109727 4219454 8438908 35865359 71730718 99157169 143461436 198314338 396628676 1685671873 3371343746 6742687492